-b-4=b+78

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Solution for -b-4=b+78 equation:


Simplifying
-1b + -4 = b + 78

Reorder the terms:
-4 + -1b = b + 78

Reorder the terms:
-4 + -1b = 78 + b

Solving
-4 + -1b = 78 + b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-1b' to each side of the equation.
-4 + -1b + -1b = 78 + b + -1b

Combine like terms: -1b + -1b = -2b
-4 + -2b = 78 + b + -1b

Combine like terms: b + -1b = 0
-4 + -2b = 78 + 0
-4 + -2b = 78

Add '4' to each side of the equation.
-4 + 4 + -2b = 78 + 4

Combine like terms: -4 + 4 = 0
0 + -2b = 78 + 4
-2b = 78 + 4

Combine like terms: 78 + 4 = 82
-2b = 82

Divide each side by '-2'.
b = -41

Simplifying
b = -41

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